Pilot-burner.



J. E. KENNEDY. PILOT BURNER.

` APPLICATION IILED JULY 1I, 1914.

. Patented Dec. 29, 1914.

IVI

nig. 3.

.tanins n. KENNEDY, or WASHINGTON, nrsrnrcr' or COLUMBIA.

PILOT-BURNER.

Specification of Letters Patent. Patented Deze., 29, 3914i.,

Application led July 11, 1914. Serial No. 850,381.

To all 'whom 'it may concern.' y

Be it known that I, JAMES E. KENNEDY, a citizen of the United States, residing at Washington, in the District of Columbia, have invented new and useful Improvements in Pilot-Burners, of which the ltollowing is a specification.

An object of the invention is to provide a gas pilot burner of a simple construction and ywhich will effectively permit a quantity of air to mix with a quantity of gas so as to produce a blue llame.

rl`he invention is particularly adaptable Yfor use in connection with gas stoves and the like and may be still more particularly recited as for use as a -pilot light in connection with gas stoves such as shown and described in a patent granted to me August 19, 1913, No. 1070812.

rlhe invention particularly comprehends the provision of a member which, when used in connection with the burner of a gas stove, will be so constructed and formed as to provide -a blue pilot light which will be so protected that it will not be exposed to drafts of air which' might tend to put it out and will furthermore be protected from any duid yor the like which might spill or boil out of a vessel upon the stove.

ln the'further disclosure of the invention reference is to be had to the accompanying drawings, constituting a part of this specification, in which similar characters of reference denote corresponding parts in all the views, and in which: f

Figure -1 is a perspective yieiv of the dei' vice; Fig. 2 is a side elevation, with parts broken away and shown in section; and. Fig. 3 is a horizontal sectional view taken on the line 3-3 in F ig. 2..

Referring more particularly to the views,

Y il provide a substantiallv h-shaped tubular body 10 terminating at its lower end in an enlargedl head 11 which is formed with a compartment or chamber 12 .in the 'nature of an air chamber, said chamber having communication with the interior fof the lil-shaped body by way of an opening 13,A

the compartment 12 being, of course, open ,to the atmosphere. lThe head 11 preferably has an inclined top 14 and is in the nature oit tube or jet 17 and which, extending into the tubular body, is in threaded engagement therewith, said .tube having the end pro- Jecting into the body 10 closed except for a pm hole opening 18 and through which a thin stream of gas is adapted to pass.

Now particularly when the device described is used in connection with gas stoves to constitute a pilot light for a burner, it will be apparent that the hoods at both ends of the body 10 will effectively prevent the tip from being put out of order by the boiling over of a fluid in a p'ot placed over a burner of the stove and the head 11 provides the airinlet whereby air entering the tubular body 10 will mix with the stream of gas passing through'the opening 18 so that the resultant mixture will spurt from the upper end of the tubular body 10 and result ina blue Haine in the hood 15, said blue flame beingprotected by the hood so that it will not be exposed to drafts of air or of overflowing fluids in vessels which may be placed upon the stove and 1n which the iluids thereof may be caused to overiow by boiling over the edge of the vessel. v

Ilhe particular formation of the device whereby the body 10 is of an l..shaped configuration, together vwith the provision of the hood-like head 11 and theU hood 15 land the connection of the body with the gas supply tube 17 all combine to provide the simple structure which will constitute a most eiective pilot light and in which there will be produced a. blue tlame that will be protected from drafts or other eleame were it exposed or unprotected by the hood 15. llt will be clearly apparent that a stream of gas spurting through the aperture 18 will readily tend to suck or draw air into the compartment 12 and then through the opening 13into' the tubular body 10, thus resulting in a mixture et a highly combustible nature which will produce the desired llame at the outlet end oilVV Aments which might tend toV put out the bular member, and a hood on the other end of the tubular member and provided with a out away ort'ion .on its underside.

2. In combination with a supply pipe having a restricted outlet, a. tubular memher2 a. head on. the tubular member andi pro vidlng an air inlet thereto, with the said head end of the tubular member receiving therein the outlet end of the supply pipe, and a hood on the other end of the tubular f member and provided W'i'th a out away portion on its finden side.

3'. A pilot lgh-t'bu'rner oompriisingfa t'ubu'- lar member, a head on the outletend and provided with an o ening formed by cutting away a portion o the under side of the head, and a second head on the inlet end of said body and providing an air chamber commnnicating with the body.

In testimony whereof I affix my signature 20 impresenee of two witnesses.

JAMES E. KENNEDY.

Witnesses E. EDMoNsroN, Jr., i F.' A. Hos'rmf. 

